Add Worker support for FileSystem API.

chrome/common/render_messages.h

Index: chrome/common/render_messages.h
diff --git a/chrome/common/render_messages.h b/chrome/common/render_messages.h
index 2b810af6b6d0ec8b69753b0f73a268dda6127065..a32d1c8b1f73f01d5f7ba9451adf4a03c25a7304 100644
--- a/chrome/common/render_messages.h
+++ b/chrome/common/render_messages.h
@@ -29,6 +29,7 @@
 #include "ipc/ipc_platform_file.h"                     // ifdefed typedef.
 #include "third_party/WebKit/WebKit/chromium/public/WebStorageArea.h"
 #include "webkit/appcache/appcache_interfaces.h"  // enum appcache::Status
+#include "webkit/fileapi/file_system_types.h"  // enum fileapi::FileSystemType
 #include "webkit/glue/resource_loader_bridge.h"   // nested classes
 
 #if defined(OS_MACOSX)
@@ -106,7 +107,6 @@ struct ViewMsg_ExtensionRendererInfo;
 struct ViewMsg_ExtensionsUpdated_Params;
 struct ViewMsg_DeviceOrientationUpdated_Params;
 struct ViewHostMsg_DomMessage_Params;
-struct ViewHostMsg_OpenFileSystemRequest_Params;
 struct ViewHostMsg_AccessibilityNotification_Params;
 
 // Values that may be OR'd together to form the 'flags' parameter of the
@@ -742,6 +742,11 @@ struct SimilarTypeTraits<base::PlatformFileError> {
   typedef int Type;
 };
 
+template <>
+struct SimilarTypeTraits<fileapi::FileSystemType> {
+  typedef int Type;
+};
+
 }  // namespace IPC
 
 #define MESSAGES_INTERNAL_FILE "chrome/common/render_messages_internal.h"